Strontium

Strontium is a soft, silvery-white alkaline earth metal with the chemical symbol Sr and atomic number 38. This highly reactive element belongs to Group 2 of the periodic table and has a molecular weight of 87.62 g/mol. Strontium occurs naturally in celestite and strontianite minerals and readily forms compounds with various elements. Due to its high reactivity, it must be stored under inert conditions to prevent oxidation and reaction with moisture in the air.

Strontium is a soft, silvery-white metallic solid at room temperature with a density of 2.64 g/cm³ and melting point of 777°C. The metal is highly reactive and readily oxidizes in air, forming a yellowish oxide layer. It reacts vigorously with water, producing hydrogen gas and strontium hydroxide. Strontium is soluble in liquid ammonia and forms various salts that are typically white crystalline compounds with varying water solubility depending on the anion.

Strontium is primarily used in pyrotechnics and fireworks to produce brilliant red flames and colors. It serves as an important component in specialized glass manufacturing, particularly for cathode ray tubes and optical applications. The metal is utilized in metallurgy as an alloying agent and in the production of ferrite magnets. Strontium compounds find applications in ceramics, paints, and as catalysts in various chemical processes within industrial settings.

Strontium requires careful handling due to its high reactivity and pyrophoric nature, classified as ADR Class 4.2 Group I. Personnel must wear appropriate personal protective equipment including safety goggles, gloves, and protective clothing. Work should be conducted in well-ventilated areas or under inert atmosphere to prevent ignition. Avoid contact with water, acids, and oxidizing agents. Keep suitable fire extinguishing agents nearby and ensure proper training on emergency procedures before handling this reactive metal.

Strontium must be stored under inert atmosphere or in mineral oil to prevent oxidation and spontaneous ignition. Storage areas should be cool, dry, and well-ventilated, away from incompatible materials such as water, acids, halogens, and oxidizing agents. Containers must be tightly sealed and made of suitable materials. Storage facilities should comply with ADR Class 4.2 requirements for pyrophoric substances and include appropriate fire detection and suppression systems designed for metal fires.

Strontium contact requires immediate action due to its reactive nature. For skin contact, remove contaminated clothing and flush affected area with plenty of water for at least 15 minutes, then seek medical attention. In case of eye contact, rinse immediately with water for at least 15 minutes and obtain medical care. If inhaled, move person to fresh air and provide oxygen if breathing is difficult. For ingestion, do not induce vomiting and seek immediate medical attention while providing supportive care.

Strontium disposal must comply with local and European waste regulations for reactive metals and hazardous materials. The metal cannot be disposed of through normal waste streams due to its pyrophoric properties and reactivity. Disposal should be arranged through licensed hazardous waste contractors who specialize in reactive metal treatment. Small quantities may be carefully neutralized by trained professionals, but larger amounts require specialized treatment facilities capable of handling ADR Class 4.2 substances safely.

Strontium is classified under ADR Class 4.2 (Spontaneously Combustible Substances) Group I, requiring specialized transport procedures. The metal must be packaged in approved containers suitable for pyrophoric materials, typically under inert atmosphere or mineral oil. Transport vehicles must carry appropriate placards and emergency equipment for metal fires. Drivers require specialized training for dangerous goods transport, and shipments must include proper documentation and emergency response information according to European transport regulations.

Strontium is regulated under various European frameworks including REACH registration requirements for chemical substances. While not classified as SVHC (Substance of Very High Concern), it falls under CLP regulation due to its reactive properties. Transport is strictly regulated under ADR as Class 4.2 dangerous goods. Industrial users must comply with occupational safety regulations and may require permits for storage and handling. Export/import may be subject to additional controls depending on quantities and intended applications.

Strontium is available through OYSI, a European distributor specializing in technical chemical products. As an established supplier, OYSI provides high-quality strontium with proper documentation and regulatory compliance for industrial applications. The company offers technical support and ensures appropriate packaging and transport according to ADR Class 4.2 requirements. Contact OYSI directly for availability, specifications, and delivery options tailored to your specific industrial or research needs across European markets.